HOMEVULNERABILITIESCVE-2022-25134
UNKNOWNCISA KEVIN THE WILD

CVE-2022-25134

Published: April 11, 2026

Official Description

A command injection vulnerability in the function setUpgradeFW of TOTOLINK Technology router T6 V3_Firmware T6_V3_V4.1.5cu.748_B20211015 allows attackers to execute arbitrary commands via a crafted MQTT packet.

NVD Source

Technical Analysis

CVE-2022-25134 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2022-25134 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.

Exploit & PoC Resources

ACTIVE EXPLOITATIONConfirmed exploitation in the wild
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Quick Facts

CVE IDCVE-2022-25134
Severity
CISA KEVYES — Active Exploitation
ExploitIN THE WILD
PublishedApr 11, 2026

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-25134 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
  • !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
  • !Active exploitation confirmed — treat as P1
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.